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43 lines
2.0 KiB
43 lines
2.0 KiB
4 months ago
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; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | \
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; RUN: llvm-dwarfdump --name i --name indirect - | FileCheck %s
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;
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; This is a hand-crafted testcase generated from:
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; int i = 23;
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; int *indirect = &i;
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; CHECK: DW_TAG_variable
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; CHECK: DW_AT_name ("i")
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; CHECK: DW_AT_location (DW_OP_addr 0x8, DW_OP_deref)
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; CHECK: DW_TAG_variable
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; CHECK: DW_AT_name ("indirect")
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; CHECK: DW_AT_location (DW_OP_addr 0x8
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source_filename = "global-deref.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.13.0"
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@i = global i32 23, align 4
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@indirect = global i32* @i, align 8, !dbg !6, !dbg !0, !dbg !14, !dbg !15, !dbg !16
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!10, !11, !12, !13}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression(DW_OP_deref))
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!1 = distinct !DIGlobalVariable(name: "i", scope: !2, file: !3, line: 1, type: !9, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "global-deref.c", directory: "/")
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!4 = !{}
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!5 = !{!0, !6}
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!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = distinct !DIGlobalVariable(name: "indirect", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!13 = !{i32 7, !"PIC Level", i32 2}
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; This is malformed, but too expensive to detect in the verifier.
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!14 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!15 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression(DW_OP_LLVM_fragment, 0, 1))
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!16 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression(DW_OP_deref, DW_OP_constu, 1, DW_OP_plus, DW_OP_stack_value))
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